<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
    <h1>Hello World!</h1>
    <p>菜鸟教程 Django 测试。</p>
    {% block mainbody %}
       <p>original</p>
    {% endblock %}


    {% comment %}
    注释
    {% endcomment %}

    {% load zxy_tags %}
    <p>姓名：{{ name|hello_my_filter }}</p>

    <p>年龄：{{ age }}</p>

</body>
</html>